描述
根据PLC梯形图程序扫描原则，按先左后右先上后下的步序，逐句扫描，执行程序。遇到程序跳转指令，根据跳转条件是否满足来决定程序的跳转地址。从用户程序涉及到输入输出状态时，PLC从输入映象寄存器中读出上一阶段采入的对应输入端子状态，从输出映象寄存器读出对应映象寄存器，根据用户程序进行逻辑运算，存入有关器件寄存器中。对每个器件来说，器件映象寄存器中所寄存的内容，会随着程序执行过程而变化。
Reliance Electric 3 HP AC Drive Sensorless Enhanced
RELIANCE ELECTRIC CONTROL BOARD 0-52874-1 60Hz
RELIANCE ELECTRIC DC GATE DRIVER CARD VTGA 0-52876
RELIANCE EXTENDER BOARD 0-51899-2
RELIANCE CLDB 0-51865-1 0-518651 0518651 051865-1
One-day shipping available
Reliance Electric AC Motor, # T56H1024M-WE, WARRANTY
One-day shipping available
Reliance Electric AC Motor, # T16G3015N-UD, WARRANTY
One-day shipping available
Reliance Electric AC Motor, # T16G3015N-QD, WARRANT
